BioStor
 | Notes on ornithology taken between Takoo and Peking, in the neighbourhood of the Peiho River, Province of Chelee, North China, from August to December, 1860 R Swinhoe (1861) Ibis 3: 323-345 |
 | Catalogue of the Birds of China, with remarks principally on their geographical distribution R Swinhoe (1863) Proceedings of the Zoological Society of London 1863: 259-338 |
 | June 23, 1863 J E Gray (1863) Proceedings of The Zoological Society of London 1863: 237-369 |
 | May 2, 1871 Viscount Walden (1871) Proceedings of The Zoological Society of London 1871: 325-477 |
 | Type-specimens of birds in the British Museum (Natural History). Vol. 2. Passerines Rachel L M Warren and C J O Harrison (1971) |